Home / 71,743,907.70-107,615,861.55-49,742,250.30

Finding the Fourth Proportional to 71,743,907.70, 107,615,861.55 and 49,742,250.30

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Solution

The fourth proportional to 71,743,907.70, 107,615,861.55 and 49,742,250.30 is: 74,613,375.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,743,907.70 : 107,615,861.55 = 49,742,250.30 : x
  2. Step 2: Convert to fraction form
    71,743,907.70/107,615,861.55 = 49,742,250.30/x
  3. Step 3: Cross multiply
    71,743,907.70x = 107,615,861.55 × 49,742,250.30
  4. Step 4: Simplify right side
    71,743,907.70x = 5,353,055,121,470,245
  5. Step 5: Solve for x
    x = 5,353,055,121,470,245/71,743,907.70
  6. Step 6: Final answer
    x = 74,613,375.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.